| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a deodorizing method for filth, sludge, and malodorous gas, which shows a high deodorizing effect on filth, sludge, and malodorous gas and long keeps the effect till final treatment. SOLUTION: Polyaniline is added to and mixed with fifth, sludge, and malodorous gas which are generated in waste water treatment, or the like, to come into contact with each other. Thereby generated offensive odors can be decomposed or suppressed. This effect long continues after the treatment.</p> |
